The correct spelling for the phrase "study at irritate" is "study it irate". The phonetic transcription for "irritate" is /ˈɪrɪteɪt/. The first syllable is pronounced as "ear" and the second syllable is pronounced as "it." Due to the similarity in sound between "irritate" and "irate," it's common for the spelling to be confused. However, it's important to ensure correct spelling to avoid any misunderstanding or misinterpretation of the meaning of a sentence.